Gridview全选和删除选中行功能

aspx代码

代码

<% @ Page Language = " C# "  AutoEventWireup = " true "  CodeFile = " GridView.aspx.cs "  Inherits = " GridView "   %>

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" >

< html  xmlns ="http://www.w3.org/1999/xhtml" >
< head  runat ="server" >
     < title > 无标题页 </ title >
    
     <% -- 全选和取消全选区的功能 -- %>
    < script  language ="javascript" >

function  SelectAllCheckboxes(spanChk){

    //  Added as ASPX uses SPAN for checkbox
    var  oItem  =  spanChk.children;
    var  theBox =  (spanChk.type == " checkbox " )  ?  
        spanChk : spanChk.children.item[ 0 ];
   xState = theBox.checked;
   elm = theBox.form.elements;

    for (i = 0 ;i < elm.length;i ++ )
      if (elm[i].type == " checkbox "   &&  
              elm[i].id != theBox.id)
     {
        // elm[i].click();
        if (elm[i].checked != xState)
         elm[i].click();
        // elm[i].checked=xState;
     }
}
</ script >


</ head >
< body >
     < form  id ="form1"  runat ="server" >
     < div >
         < asp:GridView  ID ="GridView1"  runat ="server"  AutoGenerateColumns ="False"  
            DataKeyNames ="id"  DataSourceID ="SqlDataSource1"  AllowPaging ="True"  
            PageSize ="3" >
             < Columns >  
            
             < asp:TemplateField  HeaderText ="全选&lt;input type='checkbox' id='chk' onclick='javascript:SelectAllCheckboxes(chk)'&gt;" >
                     < ItemTemplate >
                         < input  ID ="id"  type ="checkbox"   runat ="server"  value ='<%#  Eval("id") % > '/>
                     </ ItemTemplate >
                 </ asp:TemplateField >
                 < asp:BoundField  DataField ="id"  HeaderText ="id"  InsertVisible ="False"  
                    ReadOnly ="True"  SortExpression ="id"   />
                 < asp:BoundField  DataField ="className"  HeaderText ="className"  
                    SortExpression ="className"   />
               
             </ Columns >
         </ asp:GridView >
         < asp:Button  ID ="Button1"  runat ="server"  onclick ="Button1_Click"  Text ="Button"   />
         < br  />
         < asp:SqlDataSource  ID ="SqlDataSource1"  runat ="server"  
            ConnectionString ="<%$ ConnectionStrings:liuqiangConnectionString %>"  
            DeleteCommand ="DELETE FROM [classTree] WHERE [id] = @id"  
            InsertCommand ="INSERT INTO [classTree] ([className], [addTime]) VALUES (@className, @addTime)"  
            SelectCommand ="SELECT [id], [className], [addTime] FROM [classTree]"  
            UpdateCommand ="UPDATE [classTree] SET [className] = @className, [addTime] = @addTime WHERE [id] = @id" >
             < DeleteParameters >
                 < asp:Parameter  Name ="id"  Type ="Int32"   />
             </ DeleteParameters >
             < UpdateParameters >
                 < asp:Parameter  Name ="className"  Type ="String"   />
                 < asp:Parameter  DbType ="Date"  Name ="addTime"   />
                 < asp:Parameter  Name ="id"  Type ="Int32"   />
             </ UpdateParameters >
             < InsertParameters >
                 < asp:Parameter  Name ="className"  Type ="String"   />
                 < asp:Parameter  DbType ="Date"  Name ="addTime"   />
             </ InsertParameters >
         </ asp:SqlDataSource >
     </ div >
     </ form >
</ body >
</ html >

 

.cs代码

代码

using  System;
using  System.Collections;
using  System.Configuration;
using  System.Data;
using  System.Linq;
using  System.Web;
using  System.Web.Security;
using  System.Web.UI;
using  System.Web.UI.HtmlControls;
using  System.Web.UI.WebControls;
using  System.Web.UI.WebControls.WebParts;
using  System.Xml.Linq;

public   partial   class  GridView : System.Web.UI.Page
{
     protected   void  Page_Load( object  sender, EventArgs e)
    {

    }
     protected   void  Button1_Click( object  sender, EventArgs e)
    {
        
         for  ( int  i  =   0 ; i  <  GridView1.Rows.Count; i ++ )
        {
            HtmlInputCheckBox checkBox  = (HtmlInputCheckBox) GridView1.Rows[i].Cells[ 0 ].FindControl( " id " );
             if  (checkBox != null &&  checkBox.Checked)
            {
                SqlDataSource1.DeleteParameters[ " id " ].DefaultValue  =  checkBox.Value;
                SqlDataSource1.Delete();
            }
        }
    }
}